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Diet transcriptome

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https://www.readbyqxmd.com/read/29155718/the-murine-choline-deficient-ethionine-supplemented-cde-diet-model-of-chronic-liver-injury
#1
Jully Gogoi-Tiwari, Julia Köhn-Gaone, Corey Giles, Dirk Schmidt-Arras, Francis D Gratte, Caryn L Elsegood, Geoffrey W McCaughan, Grant A Ramm, John K Olynyk, Janina E E Tirnitz-Parker
Chronic liver diseases, such as viral hepatitis, alcoholic liver disease, or non-alcoholic fatty liver disease, are characterized by continual inflammation, progressive destruction and regeneration of the hepatic parenchyma, liver progenitor cell proliferation, and fibrosis. The end-stage of every chronic liver disease is cirrhosis, a major risk factor for the development of hepatocellular carcinoma. To study processes regulating disease initiation, establishment, and progression, several animal models are used in laboratories...
October 21, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29149845/early-nutritional-programming-affects-liver-transcriptome-in-diploid-and-triploid-atlantic-salmon-salmo-salar
#2
L M Vera, C Metochis, J F Taylor, M Clarkson, K H Skjærven, H Migaud, D R Tocher
BACKGROUND: To ensure sustainability of aquaculture, plant-based ingredients are being used in feeds to replace marine-derived products. However, plants contain secondary metabolites which can affect food intake and nutrient utilisation of fish. The application of nutritional stimuli during early development can induce long-term changes in animal physiology. Recently, we successfully used this approach to improve the utilisation of plant-based diets in diploid and triploid Atlantic salmon...
November 17, 2017: BMC Genomics
https://www.readbyqxmd.com/read/29149221/dietary-protein-sources-differentially-affect-microbiota-mtor-activity-and-transcription-of-mtor-signaling-pathways-in-the-small-intestine
#3
Soumya K Kar, Alfons J M Jansman, Nirupama Benis, Javier Ramiro-Garcia, Dirkjan Schokker, Leo Kruijt, Ellen H Stolte, Johanna J Taverne-Thiele, Mari A Smits, Jerry M Wells
Dietary protein sources can have profound effects on host-microbe interactions in the gut that are critically important for immune resilience. However more knowledge is needed to assess the impact of different protein sources on gut and animal health. Thirty-six wildtype male C57BL/6J mice of 35 d age (n = 6/group; mean ± SEM body weight 21.9 ± 0.25 g) were randomly assigned to groups fed for four weeks with semi synthetic diets prepared with one of the following protein sources containing (300 g/kg as fed basis): soybean meal (SBM), casein, partially delactosed whey powder, spray dried plasma protein, wheat gluten meal and yellow meal worm...
2017: PloS One
https://www.readbyqxmd.com/read/29141990/rna-sequencing-of-drosophila-melanogaster-head-tissue-on-high-sugar-and-high-fat-diets
#4
Wayne Hemphill, Osvaldo Rivera, Matthew Talbert
Obesity has been shown to increase risk for cardiovascular disease and type-2 diabetes. In addition, it has been implicated in aggravation of neurological conditions such as Alzheimer's. In the model organism Drosophila melanogaster, a physiological state mimicking diet-induced obesity can be induced by subjecting fruit flies to a solid medium disproportionately higher in sugar than protein or that has been supplemented with a rich source of saturated fat. These flies can exhibit increased circulating glucose levels, increased triglyceride content, insulin-like peptide resistance, and behavior indicative of neurological decline...
November 15, 2017: G3: Genes—Genomes—Genetics
https://www.readbyqxmd.com/read/29133384/estrogen-and-high-fat-diet-induced-alterations-in-c57bl-6-mice-endometrial-transcriptome-profile
#5
Yali Cheng, Qiaoying Lv, Bingying Xie, Bingyi Yang, Weiwei Shan, Chengcheng Ning, Bing Li, Liying Xie, Chao Gu, Xuezhen Luo, Xiaojun Chen, Qin Zhu
Unopposed estrogen stimulation and insulin resistance are known to play important roles in endometrial cancer (EC), but the interaction between these two factors and how they contribute to endometrial lesions are not completely elucidated. To investigate the endometrial transcriptome profile and the associated molecular pathway alterations, we established an ovariectomized C57BL/6 mouse model treated with subcutaneous implantation of 17-β estradiol (E2) pellet and/or high-fat diet (HFD) for 12 weeks to mimic sustained estrogen stimulation and insulin resistance...
November 13, 2017: Endocrine Connections
https://www.readbyqxmd.com/read/29123172/transcriptomic-and-epigenetic-responses-to-short-term-nutrient-exercise-stress-in-humans
#6
R C Laker, C Garde, D M Camera, W J Smiles, J R Zierath, J A Hawley, R Barrès
High fat feeding impairs skeletal muscle metabolic flexibility and induces insulin resistance, whereas exercise training exerts positive effects on substrate handling and improves insulin sensitivity. To identify the genomic mechanisms by which exercise ameliorates some of the deleterious effects of high fat feeding, we investigated the transcriptional and epigenetic response of human skeletal muscle to 9 days of a high-fat diet (HFD) alone (Sed-HFD) or in combination with resistance exercise (Ex-HFD), using genome-wide profiling of gene expression and DNA methylation...
November 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29122967/hepatic-accumulation-of-s-adenosylmethionine-in-hamsters-with-non-alcoholic-fatty-liver-disease-associated-to-metabolic-syndrome-under-selenium-and-vitamin-e-deficiency
#7
Josep M Del Bas, Benjamín Rodríguez, Francesc Puiggròs, Silvia Mariné, Miguel Angel Rodríguez, David Moriña, Lluís Armengol, Antoni Caimari, Lluís Arola
Progression of non-alcoholic fatty liver disease (NAFLD) in the context of metabolic syndrome (MetS) is only partially explored due to the lack of preclinical models. In order to study the alterations in hepatic metabolism that accompany this condition, we developed a model of MetS accompanied by the onset of steatohepatitis (NASH) by challenging golden hamsters with a high fat diet low in vitamin E and selenium (HFD), since combined deficiency results in hepatic necroinflammation in rodents. Metabolomics and transcriptomics integrated analyses of livers revealed an unexpected accumulation of hepatic S-Adenosylmethionine (SAM) when compared with healthy livers likely due to diminished methylation reactions and repression of GNMT...
November 9, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/29122055/extruded-linseed-alone-or-in-combination-with-fish-oil-modifies-mammary-gene-expression-profiles-in-lactating-goats
#8
Y Faulconnier, L Bernard, C Boby, J Domagalski, Y Chilliard, C Leroux
Nutrition is a major factor that regulates ruminant milk components, particularly its fatty acid (FA) composition, which is an important determinant of milk nutritional quality. In the mammary gland, milk component biosynthesis involves a large number of genes under nutritional regulation that are not well understood. Thus, the objective of the present study was to evaluate the effects of extruded linseeds (EL) alone or in combination with fish oil (ELFO) on goat mammary gene expression. In total, 14 goats were fed one of the following three diets: a natural grassland hay basal diet (CTRL) alone, CTRL supplemented with 530 g/day of EL, or 340 g/day of EL plus 39 g/day of fish oil (ELFO)...
November 10, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/29121861/transcriptomics-metabolomics-and-histology-indicate-that-high-carbohydrate-diet-negatively-affects-the-liver-health-of-blunt-snout-bream-megalobrama-amblycephala
#9
Wassana Prisingkorn, Panita Prathomya, Ivan Jakovlić, Han Liu, Yu-Hua Zhao, Wei-Min Wang
BACKGROUND: Global trend of the introduction of high levels of relatively cheap carbohydrates to reduce the amount of costly protein in the aquatic animal feed production has affected the aquaculture of an economically important cyprinid fish, blunt snout bream (Megalobrama amblycephala). This dietary shift has resulted in increased prevalence of metabolic disorders, often causing economic losses. High dietary intake of carbohydrates, associated with obesity, is one of the major causes of non-alcoholic fatty liver disease (NAFLD) in humans...
November 9, 2017: BMC Genomics
https://www.readbyqxmd.com/read/29121700/difference-in-the-gut-microbiome-between-ovariectomy-induced-obesity-and-diet-induced-obesity
#10
Sungmi Choi, Yu-Jin Hwang, Min-Jeong Shin, Hana Yi
During menopausal transition, the imbalance of estrogen causes body weight gain. Although gut microbiome dysbiosis has been reported in postmenopausal obesity, it is not clear whether there is any difference in the microbiome profile between dietary-induced obesity and postmenopausal obesity. Therefore, in this study, we analyzed intestinal samples from ovariectomized mice and compared them to those of mice with high fat diet-induced obesity. To further evaluate the presence of menopause-specific bacteria-gene interactions, we also analyzed the liver transcriptome...
November 9, 2017: Journal of Microbiology and Biotechnology
https://www.readbyqxmd.com/read/29120091/running-wheel-activity-delays-mitochondrial-respiratory-flux-decline-in-aging-mouse-muscle-via-a-post-transcriptional-mechanism
#11
Sarah Stolle, Jolita Ciapaite, Aaffien C Reijne, Alzbeta Talarovicova, Justina C Wolters, Raúl Aguirre-Gamboa, Pieter van der Vlies, Kim de Lange, Pieter B Neerincx, Gerben van der Vries, Patrick Deelen, Morris A Swertz, Yang Li, Rainer Bischoff, Hjalmar P Permentier, Peter L Horvatovitch, Albert K Groen, Gertjan van Dijk, Dirk-Jan Reijngoud, Barbara M Bakker
Loss of mitochondrial respiratory flux is a hallmark of skeletal muscle aging, contributing to a progressive decline of muscle strength. Endurance exercise alleviates the decrease in respiratory flux, both in humans and in rodents. Here, we dissect the underlying mechanism of mitochondrial flux decline by integrated analysis of the molecular network. Mice were given a lifelong ad libitum low-fat or high-fat sucrose diet and were further divided into sedentary and running-wheel groups. At 6, 12, 18 and 24 months, muscle weight, triglyceride content and mitochondrial respiratory flux were analysed...
November 9, 2017: Aging Cell
https://www.readbyqxmd.com/read/29118979/the-effects-of-starter-microbiota-and-the-early-life-feeding-of-medium-chain-triglycerides-on-the-gastric-transcriptome-profile-of-2-or-3-week-old-cesarean-delivered-piglets
#12
Paolo Trevisi, Davide Priori, Vincenzo Motta, Diana Luise, Alfons J M Jansman, Sietse-Jan Koopmans, Paolo Bosi
Background: The stomach is an underestimated key interface between the ingesta and the digestive system, affecting the digestion and playing an important role in several endocrine functions. The quality of starter microbiota and the early life feeding of medium chain triglycerides may affect porcine gastric maturation. Two trials (T1, T2) were carried out on 12 and 24 cesarean-delivered piglets (birth, d0), divided over two microbiota treatments, but slaughtered and sampled at two or three weeks of age, respectively...
2017: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/29109191/calneuron-1-increased-ca-2-in-the-endoplasmic-reticulum-and-aldosterone-production-in-aldosterone-producing-adenoma
#13
Kazuhiro Kobuke, Kenji Oki, Celso E Gomez-Sanchez, Elise P Gomez-Sanchez, Haruya Ohno, Kiyotaka Itcho, Yoko Yoshii, Masayasu Yoneda, Noboru Hattori
Aldosterone production is initiated by angiotensin II stimulation and activation of intracellular Ca(2+) signaling. In aldosterone-producing adenoma (APA) cells, the activation of intracellular Ca(2+) signaling is independent of the renin-angiotensin-aldosterone systems. The purpose of our study was to clarify molecular mechanisms of aldosterone production related to Ca(2+) signaling. Transcriptome analysis revealed that the CALN1 gene encoding calneuron 1 had the strongest correlation with CYP11B2 (aldosterone synthase) among genes encoding Ca(2+)-binding proteins in APA...
November 6, 2017: Hypertension
https://www.readbyqxmd.com/read/29107288/identification-of-islet-enriched-long-non-coding-rnas-contributing-to-%C3%AE-cell-failure-in-type-2-diabetes
#14
Anna Motterle, Sonia Gattesco, Marie-Line Peyot, Jonathan Lou S Esguerra, Ana Gomez-Ruiz, D Ross Laybutt, Patrick Gilon, Frédéric Burdet, Mark Ibberson, Lena Eliasson, Marc Prentki, Romano Regazzi
OBJECTIVE: Non-coding RNAs constitute a major fraction of the β-cell transcriptome. While the involvement of microRNAs is well established, the contribution of long non-coding RNAs (lncRNAs) in the regulation of β-cell functions and in diabetes development remains poorly understood. The aim of this study was to identify novel islet lncRNAs differently expressed in type 2 diabetes models and to investigate their role in β-cell failure and in the development of the disease. METHODS: Novel transcripts dysregulated in the islets of diet-induced obese mice were identified by high throughput RNA-sequencing coupled with de novo annotation...
November 2017: Molecular Metabolism
https://www.readbyqxmd.com/read/29101585/comparative-transcriptomic-insights-into-the-mechanisms-of-electron-transfer-in-geobacter-co-cultures-with-activated-carbon-and-magnetite
#15
Shiling Zheng, Fanghua Liu, Meng Li, Leilei Xiao, Oumei Wang
Both activated carbon and magnetite have been reported to promote the syntrophic growth of Geobacter metallireducens and Geobacter sulfurreducens co-cultures, the first model to show direct interspecies electron transfer (DIET); however, differential transcriptomics of the promotion on co-cultures with these two conductive materials are unknown. Here, the comparative transcriptomic analysis of G. metallireducens and G. sulfurreducens co-cultures with granular activated carbon (GAC) and magnetite was reported...
October 31, 2017: Science China. Life Sciences
https://www.readbyqxmd.com/read/29093195/the-effect-of-high-fat-diet-on-secreted-milk-transcriptome-in-mid-lactation-mice
#16
Yulu Chen, Junhui Wang, Shiqi Yang, Sagar Utturkar, Jennifer Crodian, Shelby Cummings, Jyothi Thimmapuram, Phillip San Miguel, Shihuan Kuang, Michael Gribskov, Karen Plaut, Theresa Casey
High fat diet (HFD) during lactation alters milk composition and is associated with development of metabolic diseases in the offspring. We hypothesized that HFD affects milk microRNA (miRNA) and mRNA content, which potentially impact offspring development. Our objective was to determine the effect of maternal HFD on secreted milk transcriptome. To meet this objective, 4-week old female ICR mice were divided into two treatment groups: control diet (CD) containing 10% kcal fat and HFD containing 60% kcal fat...
November 1, 2017: Physiological Genomics
https://www.readbyqxmd.com/read/29075307/identification-of-the-principal-transcriptional-regulators-for-low-fat-and-high-fat-meal-responsive-genes-in-small-intestine
#17
Octave Mucunguzi, Aicha Melouane, Abdelaziz Ghanemi, Mayumi Yoshioka, André Boivin, Ezequiel-Luis Calvo, Jonny St-Amand
BACKGROUND: High-fat (HF) diet is a well-known cause of obesity. To identify principle transcriptional regulators that could be therapeutic targets of obesity, we investigated transcriptomic modulation in the duodenal mucosa following low-fat (LF) and HF meal ingestion. METHODS: Whereas one group of mice was sacrificed after fasting, the others were fed ad libitum with LF or HF meal, and sacrificed 30 min, 1 h and 3 h after the beginning of the meal. A transcriptome analysis of the duodenal mucosa of the 7 groups was conducted using both microarray and serial analysis of gene expression (SAGE) method followed by an Ingenuity Pathways Analysis (IPA)...
2017: Nutrition & Metabolism
https://www.readbyqxmd.com/read/29056891/polygala-tenuifolia-extract-inhibits-lipid-accumulation-in-3t3-l1-adipocytes-and-high-fat-diet-induced-obese-mouse-model-and-affects-hepatic-transcriptome-and-gut-microbiota-profiles
#18
Chun-Chung Wang, Jui-Hung Yen, Yi-Cheng Cheng, Chia-Yu Lin, Cheng-Ta Hsieh, Rung-Jiun Gau, Shu-Jiau Chiou, Hwan-You Chang
Obesity, the excessive accumulation of lipids in the body, is closely associated with many prevalent human disorders. Continued efforts to identify plant extracts that exhibit anti-obesity effects have drawn much attention. This study investigated whether a Polygala tenuifolia extract (PTE) possesses anti-obesity activity and how PTE may affect liver gene expression and gut microbiota. We used 3T3-L1 adipocytes and a high-fat diet-induced obese mouse model to determine the effects of PTE on lipid accumulation...
2017: Food & Nutrition Research
https://www.readbyqxmd.com/read/29038350/male-apoe-3-leiden-cetp-mice-on-high-fat-high-cholesterol-diet-exhibit-a-biphasic-dyslipidemic-response-mimicking-the-changes-in-plasma-lipids-observed-through-life-in-men
#19
Yared Paalvast, Albert Gerding, Yanan Wang, Vincent W Bloks, Theo H van Dijk, Rick Havinga, Ko Willems van Dijk, Patrick C N Rensen, Barbara M Bakker, Jan Albert Kuivenhoven, Albert K Groen
Physiological adaptations resulting in the development of the metabolic syndrome in man occur over a time span of several decades. This combined with the prohibitive financial cost and ethical concerns to measure key metabolic parameters repeatedly in subjects for the major part of their life span makes that comprehensive longitudinal human data sets are virtually nonexistent. While experimental mice are often used, little is known whether this species is in fact an adequate model to better understand the mechanisms that drive the metabolic syndrome in man...
October 2017: Physiological Reports
https://www.readbyqxmd.com/read/29038051/integrated-approach-reveals-diet-apoe-genotype-and-sex-affect-immune-response-in-app-mice
#20
Kyong Nyon Nam, Cody M Wolfe, Nicholas F Fitz, Florent Letronne, Emilie L Castranio, Anais Mounier, Jonathan Schug, Iliya Lefterov, Radosveta Koldamova
Alzheimer's disease (AD) is a multifactorial neurodegenerative disorder that is influenced by genetic and environmental risk factors, such as inheritance of ε4 allele of APOE (APOE4), sex and diet. Here, we examined the effect of high fat diet (HFD) on amyloid pathology and expression profile in brains of AD model mice expressing human APOE isoforms (APP/E3 and APP/E4 mice). APP/E3 and APP/E4 mice were fed HFD or Normal diet for 3months. We found that HFD significantly increased amyloid plaques in male and female APP/E4, but not in APP/E3 mice...
October 14, 2017: Biochimica et Biophysica Acta
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